Given the task definition and input, reply with output. In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

The UEFA Champions League ( abbreviated as UCL ) is an annual club football competition organised by the Union of European Football Associations ( UEFA ) and contested by top-division European clubs , deciding the best team in Europe .

The UEFA Champions League is a football competition between the best club teams in Europe .